Surface pattern of a firearm barrel



The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.

The FIGURE is a side view of a surface pattern of a firearm barrel, showing my new design.

The broken lines throughout the FIGURE form no part of the patented design.

The broken lines in the drawing depict the boundary of the claim and form no part of the claimed design. 

CLAIM I claim the ornamental design for a surface pattern of a firearm barrel, as shown and described. 